Question

What is the expectation of a player to win an amount, out of total prize amount equals to Rs 900, if his probability of winning is 1/3 ?

Rs 400

Rs 300

Rs 200

Rs 900

Clear selection


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Answer 1

ǫᴜᴇsᴛɪᴏɴ :-

• What is the expectation of a player to win an amount, out of total prize amount equals to Rs 900, if his probability of winning is 1/3 ?

ᴛᴏ ғɪɴᴅ :-

• The winning amount of the player

ᴛᴏ ᴅᴏ :-

• 900 ÷ 1/3

sᴏʟᴜᴛɪᴏɴ :-

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀The total prize amount :- ₹900

Conditioning his probability of wining :- 1/3

= ₹900 ÷ 1/3

= ₹300

∴ His probability of winning is 1/3 is ₹300.

Answer 2

$\sf\red{Conditioning \: his \: probability \: of \: winning}$

$\implies$$\sf{900×\frac{1}{3}}$

$\implies$$\sf{300}$

$\sf\red{\therefore Probability \: will \: be\: \frac{1}{3}\: i.e., \: 300}$